Steady-Site Dispersion of Pollutants in Rivers Near Sewage or Drainage Outfalls

by Qais Nuri Fattah, Univ of Baghdad, Coll of, Engineering, Baghdad, Iraq,
Maw'il Y. Razooki, Univ of Baghdad, Coll of, Engineering, Baghdad, Iraq,

Document Type: Proceeding Paper

Part of: Water for Resource Development


A theoretical model is developed for determination of concentration distribution of pollutants in a river. Pollution is caused by the disposal followed by dispersion of sewage or drainage effluents in the river. Steady-state conditions are considered for discharge and concentration of river and pollutant effluent. The dispersion model is developed for either conditions of point source and/or non-point source pollution. River discharge is relatively much larger than outfall discharge. The pollutant concentration distribution, which is developed using numerical techniques, is useful in the determination of proper location of suction intakes in a river for various water utilizations: municipal, agricultural, etc. . . in order to meet relevant standards. The model is verified using the principles of mass conservation of pollutant.

Subject Headings: Water discharge | Effluents | Nonpoint pollution | Water intakes | Municipal water | Hydrologic models | Water pollution | Numerical methods

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